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  <title>Splits a key in string representation into array representation</title>
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  <div id="layout-content"><div id="function.dba-key-split" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">dba_key_split</h1>
  <p class="verinfo">(PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">dba_key_split</span> &mdash; <span class="dc-title">
   Splits a key in string representation into array representation
  </span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.dba-key-split-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>dba_key_split</strong></span>
    ( <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$key</code></span>
   ) : <span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>dba_key_split()</strong></span> splits a key (string representation)
   into an array representation.
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.dba-key-split-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<code class="parameter">key</code></dt>

     <dd>

      <p class="para">
       The key in string representation.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.dba-key-split-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns an array of the form <em>array(0 =&gt; group, 1 =&gt; 
   value_name)</em>. This function will return <strong><code>FALSE</code></strong> if 
   <code class="parameter">key</code> is <strong><code>NULL</code></strong> or <strong><code>FALSE</code></strong>.
  </p>
 </div>

 <div class="refsect1 seealso" id="refsect1-function.dba-key-split-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="dba_firstkey.html" class="function" rel="rdfs-seeAlso">dba_firstkey()</a> - Fetch first key</span></li>
    <li class="member"><span class="function"><a href="dba_nextkey.html" class="function" rel="rdfs-seeAlso">dba_nextkey()</a> - Fetch next key</span></li>
    <li class="member"><span class="function"><a href="dba_fetch.html" class="function" rel="rdfs-seeAlso">dba_fetch()</a> - Fetch data specified by key</span></li>
   </ul>
  </p>
 </div>

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